from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The quality of being or coming third.
from The Century Dictionary and Cyclopedia
- n. The character of being third; the third position in an ordinal series considered as a character of the object occupying it.
- n. 2. The mode of being of that which is such as it is by virtue of a triadic relation which is incapable of being defined in terms of dyadic relations.
third + -ness (Wiktionary)